Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
June brings a slight rise in Guerneville's average high-temperature, moving from an agreeable 69.6°F (20.9°C) in May to a warm 77.2°F (25.1°C). Guerneville reports a sharp reduction in temperature during June, averaging at a cool 51.8°F (11°C) at night.Humidity
In Guerneville, the average relative humidity in June is 64%.Rainfall
In Guerneville, California, in June, it is raining for 1.8 days, with typically 0.12" (3mm) of accumulated precipitation. In Guerneville, during the entire year, the rain falls for 60.1 days and collects up to 12.87" (327mm) of precipitation.Daylight
June has the longest days of the year, with an average of 14h and 48min of daylight.On the first day of June, sunrise is at 5:49 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:40 pm PDT.
Sunshine
The average sunshine in June in Guerneville is 11.4h.UV index
The months with the highest UV index in Guerneville are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 6 in June translates into the following instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in June in Guerneville?
What is the average humidity in June in Guerneville?
How much does it rain in Guerneville in June?
When are the longest days in Guerneville?
What is the average length of the day in June in Guerneville?
When is the sunrise / sunset in June in Guerneville?
How many hours of sunshine does Guerneville have in June?
What are the months with the highest UV index in Guerneville?
What is the UV index reading in June in Guerneville?
Average temperature in June
Guerneville, CA
- Average high temperature in June: 77.2°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in June: 51.8°F
The months with the highest average low temperature are August and September (53.4°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in June
Guerneville, CA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in June
Guerneville, CA
- Average wind speed in June: 6.9mph
The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (5mph).
Average humidity in June
Guerneville, CA
- Average humidity in June: 64%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (62%).
Average rainfall in June
Guerneville, CA
- Average rainfall in June: 0.12"
The wettest month (with the highest rainfall) is February (3.27").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in June
Guerneville, CA
- Average rainfall days in June: 1.8 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).
Average daylight in June /
Average sunshine in June
Guerneville, CA
- Average daylight in June: 14h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 11h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in June
Guerneville, CA
- Average sunshine days in June: 27.3 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is February (19.9 days).
Average UV index in June
Guerneville, CA
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in June
Guerneville, CA
- Average cloud cover in June: 17
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in June
Guerneville, CA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Guerneville, California, USA
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